The Collaborative International Dictionary of English v.0.48:

Neurotomy \Neu*rot"o*my\, n. [Neuro- + Gr. te`mnein to cut.]
   1. The dissection, or anatomy, of the nervous system.
      [1913 Webster]

   2. (Med.) The division of a nerve, for the relief of
      neuralgia, or for other purposes. --Dunglison.
      [1913 Webster]